mm, vmscan: add classzone information to tracepoints
authorMel Gorman <mgorman@techsingularity.net>
Thu, 28 Jul 2016 22:46:47 +0000 (15:46 -0700)
committerLinus Torvalds <torvalds@linux-foundation.org>
Thu, 28 Jul 2016 23:07:41 +0000 (16:07 -0700)
commite5146b12e2d02af04608301c958d95b2fc47a0f9
tree658f1da64506598d5df1d2ae2bd0589bf9ad608a
parent84c7a7771fc846cfe98af086f5d5ec6d0ca6249c
mm, vmscan: add classzone information to tracepoints

This is convenient when tracking down why the skip count is high because
it'll show what classzone kswapd woke up at and what zones are being
isolated.

Link: http://lkml.kernel.org/r/1467970510-21195-29-git-send-email-mgorman@techsingularity.net
Signed-off-by: Mel Gorman <mgorman@techsingularity.net>
Acked-by: Vlastimil Babka <vbabka@suse.cz>
Cc: Hillf Danton <hillf.zj@alibaba-inc.com>
Acked-by: Johannes Weiner <hannes@cmpxchg.org>
Cc: Joonsoo Kim <iamjoonsoo.kim@lge.com>
Cc: Michal Hocko <mhocko@kernel.org>
Cc: Minchan Kim <minchan@kernel.org>
Cc: Rik van Riel <riel@surriel.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
include/trace/events/vmscan.h
mm/vmscan.c